
Patton SN4112/JS/EUI 2-port analogue telephone adapter (ATA) with FXS interfaces.
The Patton SN4112/JS/EUI is a 2-port analogue telephone adapter (ATA) designed to connect legacy analogue devices to IP-based voice networks. This compact VoIP gateway features two FXS ports, enabling traditional analogue telephones, fax machines, or modems to operate over SIP-based telephony infrastructure.
The SN4112 series is part of Patton’s SmartNode range of VoIP gateways, widely deployed in enterprise and SMB environments for analogue-to-IP migration. The device provides a cost-effective solution for preserving existing analogue equipment investments whilst transitioning to modern unified communications platforms.
This model is suitable for small office deployments, remote worker scenarios, or as part of larger distributed voice infrastructure where analogue endpoint connectivity is required alongside IP telephony systems.
Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

| Platform | SmartNode 4600 Series |
|---|---|
| Manufacturer | PATTON |
| Key Features | 2 FXS analogue ports; SIP protocol support; Compact form factor; Ethernet WAN connectivity |
|---|---|
| Applications | Analogue-to-IP migration; Small office VoIP deployments; Legacy fax machine connectivity; Remote worker analogue extensions |
| Compatibility | SIP-based IP PBX systems; Hosted VoIP services; SIP trunk providers |
| Specifications | 2x FXS ports; RJ-45 Ethernet interface; EUI indicates European power supply variant |
| Platform | SmartNode SN4110 Series |
| Manufacturer | PATTON |
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